Cow chow is a term used to describe the food that cows eat. FODDER, ALFALFA, SILAGE, HAY, GRASS, CUD, and FEED are all types of cow chow. FODDER is a type of FEED composed of grains, legumes, and other plant materials that are used to FEED livestock. ALFALFA is a type of FORAGE crop that is high in protein and fiber and is often used as a FEED for cows. SILAGE is a type of FEED made from fermented plant material, usually GRASS or corn, that is used to FEED cows. HAY is a type of dried GRASS that is used to FEED cows. GRASS is a type of FORAGE crop that is used to FEED cows. CUD is a type of partially digested food that cows regurgitate and chew again. FEED is a type of food that is specifically designed to be eaten by cows. FORAGE is a type of FEED that is composed of wild plants and is used to FEED cows.